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Get average color of image via Javascript
...LUV, but I have not found a good library for this, or any algorythims for converting RGB to LUV.
An entirely different approach would be to sort your colors in a rainbow, and build a histogram with tolerance to account for varying shades of a color. I have not tried this, because sorting colors in...
How do you perform a left outer join using linq extension methods
... @AbdulkarimKanaan yes - SelectMany flattens two layers of 1-many into 1 layer with an entry per pair
– Marc Gravell♦
Jan 5 '18 at 14:29
1
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Incrementing in C++ - When to use x++ or ++x?
...ack to x, it is only guaranteed that it happens before the next sequence point. 'after processing the current statement' is not strictly accurate as some expressions have sequence points and some statements are compound statements.
– CB Bailey
Nov 28 '09 at 17:...
What is the 
 character?
...nce data often contain characters outside the ASCII set, so it has
to be converted into a valid ASCII format.
To find it yourself, you can visit https://en.wikipedia.org/wiki/ASCII, there you can find big tables of characters. The one you are looking is in Control Characters table.
Digging to t...
IN clause and placeholders
...the form "?, ?, ..., ?" can be a dynamically created string and safely put into the original SQL query (because it is a restricted form that does not contain external data) and then the placeholders can be used as normal.
Consider a function String makePlaceholders(int len) which returns len questi...
Does it make any sense to use inline keyword with templates?
...compilers know better when to inline a function and are ignoring inline hint.
3 Answers
...
What is Func, how and when is it used
...
No, I'm correct. static int OneArgFunc(this string i) { return 42; } Func<int> f = "foo".OneArgFunc;. =)
– Ark-kun
Jan 9 '14 at 9:21
...
What Makes a Method Thread-safe? What are the rules?
...eadSafeMethod concurrently without issue.
public class Thing
{
public int ThreadSafeMethod(string parameter1)
{
int number; // each thread will have its own variable for number.
number = parameter1.Length;
return number;
}
}
This is also true if the method call...
How can I put a ListView into a ScrollView without it collapsing?
...problem, and the only answer I can find seems to be " don't put a ListView into a ScrollView ". I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do, so I did.
...
When do you use varargs in Java?
...d a mechanism to pass in any number of objects.
String.format("This is an integer: %d", myInt);
String.format("This is an integer: %d and a string: %s", myInt, myString);
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